Mathematics, 26.03.2020 20:35 stef76
Dr. Hoover, a pediatrician, has 3 annual checkups and 2 sick visits scheduled next Tuesday,
which will fill a total of 189 minutes on her schedule. Next Wednesday, she has 3 annual
checkups and 1 sick visit on the schedule, which should take 168 minutes. How much time is
allotted for each type of appointment?
Answers: 2
Mathematics, 21.06.2019 18:30
Is the square root of 4 plus the square root of 16 rational?
Answers: 2
Mathematics, 21.06.2019 19:50
Prove (a) cosh2(x) − sinh2(x) = 1 and (b) 1 − tanh 2(x) = sech 2(x). solution (a) cosh2(x) − sinh2(x) = ex + e−x 2 2 − 2 = e2x + 2 + e−2x 4 − = 4 = . (b) we start with the identity proved in part (a): cosh2(x) − sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 − sinh2(x) cosh2(x) = 1 or 1 − tanh 2(x) = .
Answers: 3
Dr. Hoover, a pediatrician, has 3 annual checkups and 2 sick visits scheduled next Tuesday,
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